Helicobacter Infected Cells (IMAGE) University of Würzburg Caption Artistic representation of human stomach cells infected with Helicobacter pylori, showing the special Hummingbird cell shape induced by the bacterium. Credit (Image: Chair of Molecular Infection Biology II / University of Wuerzburg / SCIGRAPHIX) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.